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STM32 DMA3 can be interconnected with AXI3 or AXI4 busses. In case it is interconnected with AXI3, the maximum burst length supported by AXI3 protocol is 16 beats, which is lower than the maximum burst length supported by STM32 DMA3. So the programmed burst has to be shortened when AXI port is used. Introduce struct stm32_dma3_pdata to specify the specific configurations (e.g. AXI maximum burst length) required by the SoC, so implied by the SoC specific compatible. Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Link: https://lore.kernel.org/r/20241016-dma3-mp25-updates-v3-6-8311fe6f228d@foss.st.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.